Finding the Fourth Proportional to 447,585.10, 617,681.36 and 243,649.60
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Solution
The fourth proportional to 447,585.10, 617,681.36 and 243,649.60 is: 336,244.03
Step by Step Solution
- Step 1: Write the proportion equation
447,585.10 : 617,681.36 = 243,649.60 : x - Step 2: Convert to fraction form
447,585.10/617,681.36 = 243,649.60/x - Step 3: Cross multiply
447,585.10x = 617,681.36 × 243,649.60 - Step 4: Simplify right side
447,585.10x = 150,497,816,291.46 - Step 5: Solve for x
x = 150,497,816,291.46/447,585.10 - Step 6: Final answer
x = 336,244.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.